Are you sure you removed the mod?
EDIT: That didn't happen for me. You might already know this, but you'll find a checkbox in the "enabled" section in the addins section of gootool. uncheck it, and the mod should be uninstalled.

I give critique to recent levels.

Also...
You've waited, and I finally have delivered!
World of Goo 1/2 Chapter 3 is finally here!